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유성란,정기철,상병찬,이준헌 충남대학교 농업과학연구소 2004 농업과학연구 Vol.31 No.2
Myostatin is a transforming growth and differentiation factor-β family member that acts as a negative regulator of muscle growth. Previously, mutations in the myostatin gene were known to be related to double muscling phenotypes in cattle. Because myostatin gene is highly related to muscle mass, also meat quality, in cattle, we sequenced whole myostatin mRNA and investigated the SNPs (Single Nucleotide Polymorphisms) in Korean cattle (Hanwoo). The results indicated that Hanwoo had an SNP in nt2385 and this mutation can be a useful marker with further verifications. We also investigated expression patterns of the myostatin gene from various muscle tissues and organs. Northern blotting results indicated that myostatin expression was restricted in muscles with variable expression levels. The results presented here can be used as a valuable information for meat quality related traits and muscle mass in cattle.
한의약 컨텐츠를 가미한 강원도 리조트형 웰니스 프로그램 제안
유준상, 권보인, 이재형 상지대학교 한의학연구소 2023 尙志韓醫論文集 Vol.11 No.1
Objectives: As interest in wellness tourism is increasing in Korea, we sought to propose a program with Korean Medicine Contents for eight resorts in Gangwon-do, which has forests and marine resources. Methods: The authors visited eight designated resorts in Gangwon-do, observed the facilities, and interviewed the people in charge. Questions and answers were asked and answered in the form of a questionnaire regarding any deficiencies in the interviews. Afterwards, the contents were analyzed and a Korean Medicine program suitable for each resort was proposed. Results: A total of 17 Korean Medicine Programs were proposed, of which the meditation/yoga program and diet/drink program tailored to each constitution were proposed to be applicable to all 8 resorts. The rest were proposed considering each resort's facilities, environmental characteristics, and main product programs. Conclusions: It appears that the ‘meditation/yoga program’ and ‘constitutional diet and beverage development’ sectors are programs that can be commonly carried out by all facility companies, and for this purpose, the Sasang constitution test and Korean medicine measurement within the resort in Gangwon-do are used to create a program linked to this. In addition, we believe that efforts to improve the program through verification of efficacy will be necessary in the future
유재성,강인식,박준일,신형우 慶尙大學校生産技術硏究所 1999 生産技術硏究所論文集 Vol.15 No.-
In this research, the drought analysis was derived with monthly rainfall data from 59 stations from the Korea meteorological Administration. the point frequency analysis was derived with L-moment's method and indicated the fitted probability distribution for 59 points. also estimating the probability drought rainfall of the duration(4, 6, 8, 10, 12 months) and return period(2, 5, 10, 20, 50, 100 years). Thus, indicated probability drought rainfall frequency figure for whole area of country.
영재반 중학생의 설계과정(Design Process) 기반 창의적 문제해결 질적 사례 연구
유재영,최준섭 부산대학교 과학교육연구소 2012 교사교육연구 Vol.51 No.3
The purpose of this study was to provide an empirical model of the design process that is used by gifted middle school students in problem solving. In order to achieve this purpose, research questions were in four areas: First, what is the design process that students use for problem solving? Second, is it possible for students to solve problems through ‘sketching’, ‘conceptual drawing’, and ‘part drawing’? Third, what are the difficulties faced by the students when at the construction stage of the design process? Fourth, what is the observed design process model used by the students during the problem solving? The following results were obtained from this study: First, it was possible for students to solve problems through the design process model and the process in each stage was iterative. The most difficult problem solving process observed in this research was during the brainstorming-sketching process. Conceptual drawing and sketching a process for solving the problem was performed repeatedly, requiring much time and effort from the students. Second, while students would engage in ‘sketching’, ‘conceptual drawing’, and ‘part and elements drawing’ in their problem solving, they perceived that ‘sketching’ was the most important process. Third, students had the most difficulty during the construction stage of the problem solving process as they were the lack of ability to use the tools necessary to build and construct their work. Fourth, the study concluded that the model identified in the students’ design process based problem solving was: 1)problem 2) brainstorming (idea creation) 3) sketching 4) conceptual drawing 5) part drawing 6) making 7) problem solving, feedback existed on some stage. 이 연구의 목적은 학생들이 어떤 설계과정을 통해 문제해결을 하는지에 관한 경험적 설계과정 모형을 제공하는 것이며, 이러한 연구의 목적을 달성하기 위해 첫째, 문제해결을 위해 학생들은 어떤 설계과정을 거쳐 왔고, 설계과정 이동경로의 특징은 무엇인가?, 둘째, 스케치, 구상도, 부품도를 통한 문제해결은 가능한가?, 셋째, 설계과정 중 제작을 통한 문제해결 사례에서 학생들이 어려워했던 점은 무엇인가?, 넷째, 설계과정 기반 문제해결을 통해 확인된 설계과정 모형은 무엇인가? 에 대한 연구 문제를 제시하여 다음과 같은 연구 결과를 얻을 수 있었다. 첫째, 설계과정을 통한 문제해결을 하는 동안 각 단계별로 반복적인 순환과정이 존재함을 확인할 수 있었고, 문제해결을 위해 JH팀과 SD팀 모두 문제해결을 위해 브레인스토밍-스케치 단계에서 가장 많은 그림을 그렸고, 또한 스케치-구상도, 제작-스케치 과정에서는 문제해결을 위한 반복 작업을 수행하여 가장 많은 시간과 노력을 투자하고 있음을 확인할 수 있었다. 둘째, 스케치, 구상도, 부품도를 통한 문제해결은 가능하며, JH, SD팀 모두 스케치를 설계과정에서 가장 중요한 단계로 인식하고 있었다. 셋째, 제작을 통한 문제해결 단계에서 학생들이 가장 어려워했던 것은 작품 제작 시에 사용되는 공구사용의 미숙으로 파악되었다. 넷째, 학생들의 설계과정 기반 문제해결을 통해 확인된 모형은 비선형(nonlinear) 모형으로 나타났으며, 모형에서 나타나는 단계는 문제-브레인스토밍(아이디어 생성)-스케치-구상도-부품도-제작-문제해결 과정을 거치는 것으로 파악되었다.
유재성,강인식,박준일,신형우 慶尙大學校生産技術硏究所 1999 生産技術硏究所論文集 Vol.15 No.-
As the water resources planning is work out, it should have stationarity and randomness to be used hydrological time series data for frequency analysis or modeling which are kinds of probability analysis. But, in the case of domestic, we assume that the hydrological time series data is stationarity but, is not randomness, so it is usual to work out the hydrological analysis. Therefore, as a result, we can not be eliminate the possibility that the hydrological analysis brings about distorted results. Accordingly, in this research, to analysis the properties of hydrological time series data, the trend test, stationary and randomness test were used. The summary of results is as below. Result of the properties of hydrological time series data, in most of the points, the tendency is not indicated, the time series was revealed as randomness which does not have hydrological persistence as definitely stationary. But, from data of yearly rainfall, points for Taegwallyong, Ullungdo, both nonstationarity and persistence were indicated.
서유승,최재웅,송창섭,조용범,양진수,박준섭,정인수 대한내과학회 2003 대한내과학회지 Vol.65 No.2
관상동맥 동정맥루 기형은 매우 드문 질환으로 치료가 불필요한 경우가 대부분이나 coronary steal 현상으로 인해 증상이 발생하거나 합병증이 발생한 환자에 대해선 치료를 요한다. 최근에는 시술에 적합한 누공을 가진 선택된 환자군을 대상으로 카테터를 이용한 중재적 시술이 시행되어 수술적 치료와 유사한 결과를 얻고 있다. 저자들은 젊은 남자에서 관상동맥 동정맥루 기형과 동반된 급성 심근 경색증을 진단하여 비 수술적 방법인 카테타 코일 색전술로 성공적 치료 후 증상 및 심근 재관류에 호전을 보인 증례를 경험하였기에 문헌고찰과 함께 보고하는 바이다. We report a case of coronary fistula between the left anterior descending and main pulmonary artery complicating acute non-Q wave myocardial infarction. A 27-year-old man visited emergency department because of severe chest pain lasting two hours. The electrocardiogram showed ST segment elevation in precordial leads V3~6. Cardiac enzymes were as follows;CK-MB:36.44 IU/L T-T:0.489 ng/mL, CPK:542 IU/L, and LDH:475 IU/L. The thallium-201 dipyridamole stress perfusion scan showed perfusion defect and reversed redistribution in the anteroseptal wall. The coronary angiogram revealed coronary artery fistula between the proximal left anterior descending artery and main pulmonary artery without significant stenoses of coronary arteries. The result of ergonovine test was negative. After micro-coil embolization to the coronary fistula, symptoms were improved. Follow-up thallium-201 scan showed normalized blood flow in the left anteroseptal wall.
FOPS(Film on Porous Silicon)를 이용한 ZnO 에어브리지의 제작
허정준,류인식,심준환,조찬섭,이종현 경북대학교 센서기술연구소 1994 센서技術學術大會論文集 Vol.5 No.1
Micromachining technique by FOPS(Film on Porous Silicon) method using ZnO thin film was studied to fabricate ZnO air-bridge type microstructures. Porous silicon was formed selectively in n^(+)-diffused region of (100) oriented silicon substrate by anodic reaction in 20 wt% HF solution. ZnO thin film was deposited on the porous silicon layer by RF magnetron sputtering and then pattern was defined by standard photolithography. Finally, porous silicon was etched away in 5 wt% NaOH solution. The fabricated ZnO microstructures have 20μm width, 40μm thickness and microstructure was cleanly formed on the cavity. Also, microstructure of arbitrary shape was fabricated.
한유리,최형준,이제호,최병재 大韓小兒齒科學會 2002 大韓小兒齒科學會誌 Vol.29 No.4
완전탈구된 치아의 치료법은 재식술을 들 수 있는데, 이는 치조와에서 이탈된 치아를 가능한 빠른 시간 내에 재식립하는 술식이다. 일반적으로 재식술의 성공여부는 치수와 치주인대 손상의 정도, 치아상실 시부터 치조와 내로 재식될 때까지의 경과시간, 탈구된 치아의 보관 상태, 치근의 발육 정도 등에 좌우된다. 그 중 치아상실 시부터 재식까지의 경과시간이 특히 중요한데, 일반적으로 30분 이내에 재식을 시행한 경우에는 90%이상의 성공률을 보인 반면 30분에서 90분 사이에서는 43%, 90분 이상 경과 시에는 7%의 성공률을 보인다고 알려져 있다. 본 증례는 완전탈구 후 오랜 시간이 지연되어 재식을 시행하였으나 치근유착을 통해 비교적 양호한 임상적 결과를 얻었다. 이러한 치료로 결국은 치아의 손실이 일어날지라도, 이것은 환자 및 보호자의 사고에 따른 충격을 감소시켜주고, 자체로 공간 유지장치로서의 기능을 할 수 있으며, 발치에 따른 치조골의 흡수를 늦추는 한편, 적극적인 보철치료를 위한 시간을 벌어줄 수 있을 것으로 사료된다. Replantation may be treatment choice for a completely avulsed tooth caused by traumatic injury. The outcome of replantation depends on the following factors: minimal damage to pulp and periodontal membrane the length of time the avulsed tooth was out of the mouth, how the tooth was stored the level of root formation, etc. The time from the act of avulsion of the tooth to the actual replantation is especially important. Generally, when replanted within 30 minutes, more than 90% of cases succeed but when the time is between 30 to 90minutes 43% and greater than 90 minutes 7%. This is a case of a replanted tooth with relatively good prognois by ankylosis though there was a great time lapse since the tooth was avulsed. Though such treatment lead to loss of the tooth in case of children or adolescents this treatment is meaningful because it may earn time until any definitive therapy functionally stimulate the alveolar bone to retain its hight for a better prognosis for future treatment and act as space maintainer
근골격계질환 예방을 위한 인간공학적 농작업 개선 지원시스템 개발
김유창;장은준 東義大學校産業技術開發硏究所 2010 産業技術硏究誌 Vol.24 No.-
The agriculture in Korea has seen rapid growth in its elderly population compared with other industries. Occupational injury rates of agricultural worker are very high in Korea. Until now there isn't preventive measure for agricultural worker because mostly preventive activity of occupational injury focused to the worker of manufacturing industry. Recently, Korea government starts to conduct several interventions for the improvement of agricultural work. So we need the ergonomics support system to match the characteristics and the ability of agricultural worker for the improvement of agricultural work. So this study proposes the development of an ergonomics support system foe the improvement of agricultural work.